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Finding the Fourth Proportional to 1,016.30, 1,524 and 367.04

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Solution

The fourth proportional to 1,016.30, 1,524 and 367.04 is: 550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.30 : 1,524 = 367.04 : x
  2. Step 2: Convert to fraction form
    1,016.30/1,524 = 367.04/x
  3. Step 3: Cross multiply
    1,016.30x = 1,524 × 367.04
  4. Step 4: Simplify right side
    1,016.30x = 559,368.96
  5. Step 5: Solve for x
    x = 559,368.96/1,016.30
  6. Step 6: Final answer
    x = 550.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.